Insert for audio coupler



FIG. 1 is a perspective view of an insert for an audio coupler.

FIG. 2 is a front elevational view thereof

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a section view in elevation take along the line 8-8 in FIG. 6 .

The broken lines showing an internal channel form no part of the claimed design. 

CLAIM I claim the ornamental design for an insert for an audio coupler, as shown and described. 